Home / 159,971.56-239,970.09-54,791.44

Finding the Fourth Proportional to 159,971.56, 239,970.09 and 54,791.44

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Solution

The fourth proportional to 159,971.56, 239,970.09 and 54,791.44 is: 82,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,971.56 : 239,970.09 = 54,791.44 : x
  2. Step 2: Convert to fraction form
    159,971.56/239,970.09 = 54,791.44/x
  3. Step 3: Cross multiply
    159,971.56x = 239,970.09 × 54,791.44
  4. Step 4: Simplify right side
    159,971.56x = 13,148,306,393.57
  5. Step 5: Solve for x
    x = 13,148,306,393.57/159,971.56
  6. Step 6: Final answer
    x = 82,191.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.